CN207209268U - A kind of protection device for sealing-tape machine conveyer belt - Google Patents
A kind of protection device for sealing-tape machine conveyer belt Download PDFInfo
- Publication number
- CN207209268U CN207209268U CN201721097941.7U CN201721097941U CN207209268U CN 207209268 U CN207209268 U CN 207209268U CN 201721097941 U CN201721097941 U CN 201721097941U CN 207209268 U CN207209268 U CN 207209268U
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- Prior art keywords
- relay
- sealing
- tape machine
- switch
- conveyer belt
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Abstract
The utility model discloses a kind of protection device for sealing-tape machine conveyer belt; including speed detection unit, speed conversion unit and control loop; the speed detection unit includes contact and inductor; the contact is installed in the week side of boss of adhesive tape machine cylinder, and the inductor is installed on the periphery of roller and the detection of drum rotation speed is realized with contacts mates；The inductor is connected with described control unit；Selecting switch, low velocity switch and the first relay, the normally-closed contact of first relay that the control loop includes being sequentially connected in series are connected with the accident plug-in strip of a upper station sealing-tape machine；The speed conversion unit is connected with the speed detection unit and low velocity switch respectively, for detecting drum speed and low velocity switch being closed when drum speed is less than predetermined threshold value.Protection device of the present utility model for sealing-tape machine conveyer belt has the advantages that simple in construction, easy to operate and safe and practical.
Description
Technical field
The utility model relates generally to materials-handling technology field, refers in particular to a kind of protection for sealing-tape machine conveyer belt and fills
Put.
Background technology
At present, domestic because construction market, construction of hydropower facilities are more, artificial sand building stones demand is also larger, Preservation for Aggregate Production System fortune
Defeated to be transported mostly using conveyer belt, easily there is binder and shuts down phenomenon in conveyer belt.At present, for prevent conveyer belt binder mainly have with
Lower method：The first is that special messenger is responsible for monitoring conveyer belt running situation, it is desirable to personnel's notice is concentrated and the behavior that can not leave the post,
Manpower consumption is bigger；Second is that operator on duty's patrol formula is kept an eye on, and this method tends to cause because of transport belt slippery, turns
Prompt drop is low, and endlessly material below, causes conveyer belt to kill, end processing sequences are laborious and time-consuming.
Utility model content
The technical problems to be solved in the utility model is that：It is new for technical problem existing for prior art, this practicality
Type provides a kind of protection device for sealing-tape machine conveyer belt simple in construction, easy to operate, safe and practical.
In order to solve the above technical problems, the utility model proposes technical scheme be：
A kind of protection device for sealing-tape machine conveyer belt, including speed detection unit, speed conversion unit and control back
Road, the speed detection unit include contact and inductor, and the contact is installed in the week side of boss of adhesive tape machine cylinder, the sensing
Device is installed on the periphery of roller and the detection of drum rotation speed is realized with contacts mates；The inductor and described control unit
It is connected；The control loop includes selecting switch, low velocity switch and the first relay being sequentially connected in series, first relay
Normally-closed contact connected with the accident plug-in strip of a upper station sealing-tape machine；The speed conversion unit respectively with the velocity measuring
Unit is connected with low velocity switch, is opened for detecting drum speed and low velocity being closed when drum speed is less than predetermined threshold value
Close.
Further improvement as above-mentioned technical proposal：
The low velocity switch and the first relay are parallel with the first time-delay relay coil, first time-delay relay
Coils from parallel connection of coils has the normal open switch of the first time-delay relay and the power switch of speed conversion unit.
The low velocity switch and the first relay, which are parallel with, shuts down loop, and the shutdown loop includes parallel with one another
Loop and timing circuit are shut down, the timing circuit includes the normal open switch and the second time-delay relay of the first relay of series connection
Coil, the normal open switch and the second relay coil of the second time-delay relay shut down loop and include connecting, described the
The normally closed switch of two relays is connected with the accident plug-in strip of sealing-tape machine.
The low velocity switch and the first relay are parallel with alarm circuit, and the alarm circuit includes the first relay
Normal open switch and sound and light alarm component.
The sound and light alarm component includes electric bell and emergency warning lamp.
Also include switch relay, the coil of the switch relay is connected with the power supply of Rolling motor, it is described switch after
The normal open switch of electrical equipment is series in control loop.
The selecting switch includes automatic transmission and manual.
The speed conversion unit is tachymeter.
Also include cabinet, the control loop is installed in the cabinet.
Distance of the inductor with contact when relative is 1~4mm.
Compared with prior art, the utility model has the advantage of：
Protection device of the present utility model for sealing-tape machine conveyer belt, by the cooperation of contact and inductor, carry out arteries and veins
Punching numeration, and send to speed conversion unit and realize that rotating speed converts, it is less than certain value in speed（Such as the 80% of normal speed）When,
Make low velocity switch closure, so that the first relay obtains electric, corresponding normally closed switch opening, so that the adhesive tape of a upper station
Machine is out of service, avoids continuing to feed and cause conveyer belt to kill；Protection of the present utility model for sealing-tape machine conveyer belt fills
Put simple in construction, principle is simple, it is easy to operate, greatly save human cost, it is and safe and practical.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is electricity piece layout drawing in cabinet of the present utility model.
Fig. 3 is control principle drawing of the present utility model.
Label represents in figure：1st, speed detection unit；11st, inductor；12nd, contact；2nd, speed conversion unit；3rd, control back
Road；4th, roller；5th, cabinet；51st, electric bell；52nd, emergency warning lamp.
Embodiment
The utility model is further described below in conjunction with Figure of description and specific embodiment.
As shown in Figure 1 to Figure 3, the protection device for sealing-tape machine conveyer belt of the present embodiment, including speed detection unit
1st, speed conversion unit 2 and control loop 3, speed detection unit 1 include contact 12 and inductor 11, and contact 12 is fixedly installed in
In the side wall of adhesive tape machine cylinder 4, inductor 11 is then correspondingly installed on the periphery of roller 4 and mutual with contact 12 by support
Coordinate the detection for realizing the rotating speed of roller 4；Inductor 11 is connected with speed conversion unit 2；Control loop 3 includes the choosing being sequentially connected in series
Select switch（SA in Fig. 3）, low velocity switch and the first relay（KA1 in Fig. 3）, the normally-closed contact of the first relay with it is upper
The accident plug-in strip series connection of one station sealing-tape machine；Speed conversion unit 2 is connected with speed detection unit 1 and low velocity switch respectively,
For detecting the speed of roller 4 and low velocity switch being closed when the speed of roller 4 is less than predetermined threshold value.It is of the present utility model to be used for glue
Protection device with machine conveyer belt, by the cooperation of contact 12 and inductor 11, pulse counting is carried out, and send to rate conversion
Unit 2 realizes that rotating speed converts, and is less than certain value in speed（Such as the 80% of normal speed）When, make low velocity switch closure, so that
First relay obtains electric, and corresponding normally closed switch is opened, so that the sealing-tape machine of a upper station is out of service, avoids continuing to feed
And conveyer belt is caused to kill；Protection device of the present utility model for sealing-tape machine conveyer belt is simple in construction, principle is simple, operation
Simplicity, human cost is greatlyd save, and it is safe and practical.
In the present embodiment, low velocity switch and the first relay are parallel with the first time-delay relay coil（In Fig. 3
KT1）, the first time-delay relay coils from parallel connection of coils has the normal open switch of the first time-delay relay and the power supply of speed conversion unit 2 to open
Close（SR in Fig. 3）.In conveyer belt for the first time by the period of stopping startup optimization to normal speed（Such as 5S）It is interior, in order to shield speed
Degree detection, the delay time of the first time-delay relay is set（Such as 8S）, i.e., the closing speed converting unit 2 again after 8S is started（Adopt
Use tachymeter）Power supply, so as to avoid error detection.
In the present embodiment, low velocity switch and the first relay are parallel with halt circuit, and halt circuit is included mutually simultaneously
The shutdown loop of connection and timing circuit, timing circuit include the normal open switch and the second time-delay relay of the first relay of series connection
Coil（KT2 in Fig. 3）, shutting down loop includes the normal open switch and the second relay coil of the second time-delay relay of series connection
（KA2 in Fig. 3）, the normally closed switch of the second relay connects with the accident plug-in strip of sealing-tape machine.When detection speed is less than default threshold
During value, obtain the second time-delay relay coil electric, connect the second relay after the certain time that is delayed, so as to by the electricity of sealing-tape machine
Source is cut off, and avoids the generation of accident.
In the present embodiment, low velocity switch and the first relay are parallel with alarm circuit, and alarm circuit includes the first relay
The normal open switch and sound and light alarm component of device.Sound and light alarm component specifically includes electric bell 51 and emergency warning lamp 52.
In the present embodiment, in addition to switch relay（KM in Fig. 3）, coil and the motor of roller 4 of switch relay
Power supply is connected, and the normal open switch of switch relay is series in control loop 3.The protection device i.e. in the case where sealing-tape machine is run
Just it is electric.
In the present embodiment, selecting switch includes automatic transmission and manual.In it is manual when, sealing-tape machine is not protected
Shield.
As shown in Fig. 2 in the present embodiment, in addition to cabinet 5, each relay is mounted in cabinet 5 in control loop 3.
In the present embodiment, distance when inductor 11 is relative with contact 12 is 1~4mm.
Specific work process：Sealing-tape machine motor operation, KM is electricly synchronous, and power supply indicator XD is bright.Change-over switch SA is in
Automated location, KT1 work, tachymeter SR are delayed to obtain electric work through KT1（Escape the low-speed running time of equipment startup）.Work as adhesive tape
During machine skidding reduction of speed to lower limit speed, low velocity switch（SR lower bounds site in Fig. 3）Closure, KA1 work, KA1 two are normally opened
Switch closure, emergency warning lamp 52, electric bell 51 work, KT2 work, meanwhile, KA1 normally closed point disconnects, with sealing-tape machine emergency lock of appearing on the stage
The device powers down of knife series connection is stopped.KT2（Set 20 seconds）In the time range of setting, rotating speed is not delayed normally, KA2 works
Make, the normally closed points of the KA2 to be connected with the accident plug-in strip of this sealing-tape machine are disconnected, and the power-off of this sealing-tape machine is shut down.When change-over switch SA is changed
During manual position, the present apparatus exits protection.
Although the utility model is disclosed above with preferred embodiment, but it is not limited to the utility model.It is any
Those skilled in the art, in the case where not departing from technical solutions of the utility model scope, all using the disclosure above
Technology contents technical solutions of the utility model are made with many possible changes and modifications, or be revised as the equivalent of equivalent variations
Embodiment.Therefore, every content without departing from technical solutions of the utility model, according to the utility model technical spirit to real above
Any simple modifications, equivalents, and modifications that example is done are applied, all should be fallen in the range of technical solutions of the utility model protection.
Claims (10)
1. a kind of protection device for sealing-tape machine conveyer belt, it is characterised in that including speed detection unit（1）, rate conversion
Unit（2）And control loop（3）, the speed detection unit（1）Including contact（12）And inductor（11）, the contact（12）
It is installed on adhesive tape machine cylinder（4）The week side of boss on, the inductor（11）It is installed on roller（4）Periphery and and contact（12）
Roller is realized in cooperation（4）The detection of rotating speed；The inductor（11）With the speed conversion unit（2）It is connected；It is described to control back
Road（3）Including be sequentially connected in series selecting switch, low velocity switch and the first relay, the normally-closed contact of first relay with
The accident plug-in strip series connection of a upper station sealing-tape machine；The speed conversion unit（2）Respectively with the speed detection unit（1）With
Low velocity switch is connected, for detecting roller（4）Speed and in roller（4）Low velocity is closed when speed is less than predetermined threshold value to open
Close.
2. the protection device according to claim 1 for sealing-tape machine conveyer belt, it is characterised in that the low velocity switch
The first time-delay relay coil is parallel with the first relay, the first time-delay relay coils from parallel connection of coils has the first delay relay
The normal open switch and speed conversion unit of device（2）Power switch.
3. the protection device according to claim 1 or 2 for sealing-tape machine conveyer belt, it is characterised in that the low velocity
Switch and the first relay, which are parallel with, shuts down loop, and the shutdown loop includes shutdown loop parallel with one another and is delayed back
Road, the timing circuit includes the normal open switch and the second time-delay relay coil of the first relay of series connection, described to shut down back
Road includes the normal open switch and the second relay coil of the second time-delay relay of series connection, and the normally closed of the second relay is opened
Connected with the accident plug-in strip of sealing-tape machine pass.
4. the protection device according to claim 1 or 2 for sealing-tape machine conveyer belt, it is characterised in that the low velocity
Switch and the first relay are parallel with alarm circuit, and the alarm circuit includes the normal open switch and sound and light alarm of the first relay
Component.
5. the protection device according to claim 4 for sealing-tape machine conveyer belt, it is characterised in that the sound and light alarm group
Part includes electric bell（51）And emergency warning lamp（52）.
6. the protection device according to claim 1 or 2 for sealing-tape machine conveyer belt, it is characterised in that also include switch
Relay, the coil and roller of the switch relay（4）The power supply of motor is connected, the normal open switch string of the switch relay
It is coupled to control loop（3）In.
7. the protection device according to claim 1 or 2 for sealing-tape machine conveyer belt, it is characterised in that the selection is opened
Pass includes automatic transmission and manual.
8. the protection device according to claim 1 or 2 for sealing-tape machine conveyer belt, it is characterised in that the speed turns
Change unit（2）For tachymeter.
9. the protection device according to claim 1 or 2 for sealing-tape machine conveyer belt, it is characterised in that also including cabinet
（5）, the control loop（3）It is installed on the cabinet（5）It is interior.
10. the protection device according to claim 1 or 2 for sealing-tape machine conveyer belt, it is characterised in that the inductor
（11）With contact（12）Distance when relative is 1~4mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721097941.7U CN207209268U (en) | 2017-08-30 | 2017-08-30 | A kind of protection device for sealing-tape machine conveyer belt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721097941.7U CN207209268U (en) | 2017-08-30 | 2017-08-30 | A kind of protection device for sealing-tape machine conveyer belt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207209268U true CN207209268U (en) | 2018-04-10 |
Family
ID=61825718
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721097941.7U Active CN207209268U (en) | 2017-08-30 | 2017-08-30 | A kind of protection device for sealing-tape machine conveyer belt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207209268U (en) |
-
2017
- 2017-08-30 CN CN201721097941.7U patent/CN207209268U/en active Active
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